Portable drop-light.



No. 724.615. PATENTED APR, 7,1903;

' L. A. ROCKWELL & J. 11. CHRISTIAN.

' PORTABLE DROP LIGHT;

APPLICATION FILED JAN. 27, 1902.

H0 MODEL.

' I v jiz7wons UNITE STATES PATENT" OFFICE.

LARKIN A. ROCKWELL AND JAMES HQCHRISTIAN, OF CHICAGO, ILLINOIS;

SAID ROCKWELL ASSIGNOR TO AGUSTUS B. ROCKWELL, OF ALHAMBRA, ILLINOIS.

PORTABLE DROP-LIG HT.

SPECIFICATION forming part of Letters Patent No. 724,615, dated April 7, 1903. Application filed January 27, 1902. Serial No. 91,398- (No model.)

To all whom it may concern: In the lower corner of the casing is a cush- Be it known that we, LARKIN A. ROCKWELL ion F. and JAMES H. CHRISTIAN, citizens of the Gis an ordinary pipe,which extends through United States, residing at Chicago, county of the orifice b in the bottom of the casing and 5 Cook, State of Illinois, have invented a certhrough a corresponding orifice in the top of tain new and useful Improvement in Portable the casing and between the roller 0 and cush- Drop-Lights; and we declare the following to ion F on the one side and the spring-impelled be a full, clear, and exact description of the roller E on the other side. invention, such as will enable others skilled To the upper end of the pipe is engaged a to in the art to which it pertains to make and hose or other flexible conduit G, the latter use the same, reference-being had to the acbeing passed over or engaged to the post A companying drawings, which form a part of On'the pipe G is the usual burner G this specification. The structure will now be readily under- Onrinvention has for its object the producstood. The post A is first removed and the 15 tion of mechanism whereby there may be at-; .extensionB of the fitting engaged over the tached to the ordinary gas-fixture now in use nipple A of the post through the orifice Z). what is generally termed a drop-lamp-- The post A is then screwed into place, thus that is to say, a lamp so arranged that it may holding the fitting securely in place. The when not in use be moved up out of the way, pipe G is free to move vertically in the fit- 20 and when it is desired to lower it adjacent to ting, the roller 0 and cushion F forming just the person using it it may be pulled down. enough friction, together with the spring-im- -We are of course aware that it is old to propelled roller E, to allow the pipe to be held vide a gas-fixture with extension portions that in any particular position, and is moved freely may be lowered; but our invention 'lies in by the hand of the operator.

25 providing mechanism that can be attached to his of course obvious that various details the ordinary gas-fixtures now in use. i of the structuremight be altered without de- In the drawings, Figure 1 represents a side parting from the spirit of the invention-sucl1, elevation of a gas-fixture and our extensionfor instance, as increasing or decreasing the lamp attached thereto. Fig. 2 is a vertical number of antifriction-rollers and the par- 0 section through the fitting that is attached to ticular form of spring and spring-impelled the gas-fixture, and Fig. 3 is a horizontal secroller.

tion through the same. e What we claim is Carrying out the invention, reference char- '1. The combination with a gas-fixtu re 0011]- aoter A represents the ordinary gas-fixtur prising a post-supporting arm and a post se- 35 having the arms A andpost A cured thereto, of afitting supported upon the B is a suitable fitting, preferably made holend of said arm adjacent to the post, a coillow, as shown in Figs.;2 and 3, with an exspring mounted within said fitting, a roller tension portion B, provided with an orifice journaled upon an end of said spring, a pipe I). A door 13 is hinged at b to the remainder passing through said fitting and adjustably 0 of the fitting and is held in place by the catch retained therein by said roller, a burner 0 11 so that access can be gained to theintemounted upon an end'of said pipe, and a rior of the casing at any time. Through the flexible pipe connection between said pipe bottom wall of the casing is an orifice b and and the adjacent post.

the top wall is provided with another orifice 2. The combination with a gas-fixture com- 45 in line therewith. J ournaled in the casing prising a post-supporting arm and a post se- B is a roller 0, and mounted onthe spring D cured thereto, of a-fitting supported upon the is another roller E. The spring is held by end of said arm adjacent to said post, a rod the shaft or rod D in the casing, and one end supported within said fitting, a coil-spring of the spring cl bears against the top of the surrounding said rod and engaging said fit- 50 casing, so that the rollerE is spring-impelled. ting at one end, a roller journaled upon the other end of said spring,a pipe passing through said fitting and adjustably retained therein by said roller, a burner mounted upon said pipe, and a flexible pipe connection between said pipe and post.

3. The combination with a gas-fixture comprising a post-supporting arm and a post socured thereto, of a fitting supported upon the end of said arm adjacent to the post, a plurality of bearings fixed within said fitting, a spring mounted within said fitting, a roller journaled upon said spring, a pipe passing through said fitting between said plurality of bearings and said roller, a burner mounted upon an end of said pipe, and a flexible pipe connection between said pipe and the post.

4. The combination with a gas-fixture, of a fitting supported thereon, a plurality of bear-- ings within said fitting, a spring mounted within said fitting, a roller journaled upon said spring, a pipe passing through said fitting between said plurality of bearings and said roller, a burner mounted upon an end of said pipe, and a flexible tubular connection for conducting gas to said pipe.

5. The combination with a gas-fixture, of a fitting supported thereon, a plurality of bearings Within said fitting, one supported at the top and another at the bottom thereof, a spring mounted within said fitting extending to a point intermediate of said bearings, a pipe passing through said fitting and forced against said plurality of bearings by the re siliency of said spring, a burner mounted upon an end of said pipe, and a flexible tubular connection for conducting gas to said pipe.

In testimony whereof we sign this speoification in the presence of two Witnesses.

LARKIN A. ROCKWELL. JAMES H. CHRISTIAN. Witnesses:

WALTER I-I. CHAMBERLIN, CLARA C. CUNNINGHAM. 

